Yubikey GPG encryption speed on different algorithm

Total time for decrypting a textfile with content "hello".

Alias Device for test
Y543N Yubikey 5 NFC, fw 5.4.3
Y543N2 Yubikey 5 NFC, fw 5.4.3 (I don't know why this one is slower)
Y543NaF Yubikey 5 nano FIPS, fw 5.4.3
Y574NaF Yubikey 5 nano FIPS 140-3, fw 5.7.4
CPU R5-5600u
Total Time (ms) test1 test2 test3
rsa4096+Y543NaF 1120 1120 1070
rsa4096+Y543N 899 930 924 925 891 937
rsa4096+Y574NaF N/A N/A N/A Not Allowed
rsa2048+Y574NaF N/A N/A N/A Not Allowed
cv25519+CPU 14 14 13
cv25519+Y543N 92 96 95
cv25519+Y574NaF N/A N/A N/A Not Allowed
nistp384+Y543N 138 135 154
nistp384+Y543N2 206 210 202
nistp384+Y574NaF 199 198 197
nistp256+Y543N2 141 141 139
nistp256+Y574NaF 130 130 132